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Physics 21 Online
OpenStudy (anonymous):

An object of weight 600N is being pulled by a force of 200N up an inclined of height 5m and length 15m. Calculate the Mechanical Advantage, the Ideal Mechanical Advantage and the efficiency of the machine. *The formula for Mechanical Advantage: 1 M.A. = ————— sin θ + µk cos θ *The formula for efficiency is: 1 e = ————— 1 + µk cot θ

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